Overall: 1/4 x 7/8 in. ( 0.6 x 2.2 cm )
Circular metal button with male bust on the front, inscriptions on front and back, metal loop on back for attachment.
molded: around outer edge of front: "FRID IIII (sic) DEI GRAT" molded: around outer edge of back: "DAN NOR VAN GOT REX / 1705"
Frederick I of Prussia (1657-1713) ruled from 1701-13.
Due to ongoing research, information about this object is subject to change.